APA Style

yatim, D. (2011). teaching speaking using information gap technique at tenth class of Madrasah Aliyah Asy-Syafi'iyah Jatirogo . Geoge R Tery: Unirow.

MLA Style

yatim, Dr.wildan. "teaching speaking using information gap technique at tenth class of Madrasah Aliyah Asy-Syafi'iyah Jatirogo". Geoge R Tery: Unirow, 2011. e-book.